Senior Systems Engineer

Serving our customers, communities, and planet a little better every day.

Salary - up to £76,920 + annual bonus & benefits.

Location - Edinburgh - Permanent

Office Attendance - Our roles are hybrid; however, you should be able to travel to our Edinburgh office 2 days per week for this position.

Closing Date - Applications close 19 th Jan 2026 at 5pm

A chance to thrive

We're looking for a skilled Senior Systems Engineer to join our Containers Platform team at Tesco Bank, part of Barclays Bank UK Plc.

You'll play apivotal role in designing and optimizing our container platform, leveragingAmazon EKS to deliver scalable, secure, and resilient solutions.

This role will bekey in enabling cloud-native transformation, influencing how we deploy and manage workloads across our Kubernetes cluster.

You'll get to play a large part in helping to shape and modernise our application workloads and bring these on to the platform.

You'll work closely withsenior leadership and engineering teams, shaping future ways of working and contributing to strategic platform decisions.

It's agreat time to joinas we scale our emerging containers platform-your contributions will directly impact its evolution.

Unlike many roles, you'll haveownershipof container solutions, from design to deployment, in afast-moving, cloud-native environment. You'll influenceplatform standards and best practices, not just follow them.

You'll work alongsideother Containers Team Systems Engineers, DevOps Specialists, Application and Security Engineering teams and be close to our Design and Architect functions.

Reporting to theEngineering Lead, you'll collaborate withProduct Owners, the Product Manager and Agile delivery teams.

You will have the opportunity to gaincertificationssuch asCKA/CKAD, working your way towards becoming a fully certified Kubestronaut! 6 Days per year of dedicated training is offered for all colleagues.

Career progression opportunities intoEngineering Leadershiproles or Platform Architecture.

We work in amodern Agile environment, contributing to iterative delivery and continuous improvement.

You'll get hands-on withAmazon EKS,Docker,Terraform,Helm,DataDog, GitLab and have future opportunities to get involved with service mesh technologies.

What you'll be doing

• Manage and optimize EKS clusters, ensuring high availability, security, and performance.
• Collaborate withcross-functional teamsto integrate container solutions into broader cloud architecture.
• Contribute tothe platform roadmap, introducing innovative solutions for scalability and cost optimization.
• Providetechnical leadership and mentorshipto junior engineers.
• Oversee the configuration, maintenance, and optimization ofEKS clusters, including node groups, networking, and storage.
• Analyse and optimize container workloads forcost efficiency, resource utilization, and high availability.

We need you to have

• Proven experience withAmazon EKSand Kubernetes architecture.
• Proficiency inusing CI/CD tools(e.g., Jenkins/Cloudbees, GitHub/GitLab).
• Expertise inAWS servicessupporting EKS (IAM, VPC, NLB/Ingress, Secrets Manager).
• Solid understanding ofnetworking and securityin containerized environments.

And if you have any of these, even better

• Familiarity withservice mesh technologies(e.g., Istio) and observability stacks.
• Experience with Karpenter or EKS Auto
• Knowledge of Serverless integrations with Kubernetes.
• Experience with the following service components (Kubewarden, Cillium, Traefik, Karpenter, Qualys, CoreDNS, kube-proxy)

We don't expect you to tick every box, and if you feel you hit most of the brief, it's worth exploring to further develop your career here with us.

What's in it for you

• Prepare for your retirement with our colleague pension scheme.
• Private Medical Insurance including GP Service scheme.
• Discretionary annual incentive (AVP level and above)
• Indulge in a holiday allowance of 25 days plus 8 prescribed bank holidays.
• Benefit from our family-oriented initiatives, encompassing enhanced maternity leave pay, a shared parental leave policy, and a generous paid paternity leave.
• Take advantage of our ongoing learning opportunities and training, to help you achieve the job and career you want.

Everyone's welcome

We want all our colleagues to always feel welcome and be themselves at Tesco Bank, part of Barclays Bank UK Plc. We're committed to building a more inclusive workplace and celebrating everything that makes colleagues unique, and value the richness and diversity this brings to our business. A more diverse business helps us deliver on our purpose to serve our customers, communities, and planet a little better every day.

How to apply

We value our people anddiverse teams and believe the variety of backgrounds and experiences make usstronger to achieve our goals.

Our colleagues are workinghybrid, taking time to meet with colleagues in our offices for moments thatmatter, such as team catch ups, planning meetings and more. If you'reinterested in finding out more about what a career at Tesco Bank looks like,click apply to find out more!

Why Tesco Bank?

Whether we're helping our customers or looking afterour people, you'll find there's a warmth and friendliness to everything we do.

It means we put your wellbeing first and give you bagsof support, training and development, so you can build the career that's rightfor you. It's about looking after each other with the same care that we give toour customers.

We've created an environment where everyone feelsincluded, accepted and welcome. Which means you can bring your whole self towork every day and totally thrive at the same time.